id: 70473567 dt: a an: 70473567 au: Andersson, Karl; Forte, Andrea G.; Schulzrinne, Henning ti: Enhanced mobility support for roaming users: extending the IEEE 802.21 information service so: WWIC, 52-63 (2010). py: 2010 pu: la: EN cc: ut: ci: li: doi:10.1007/978-3-642-13315-2_5